Uniden MHS550 - Manual (Page 42)

Uniden MHS550 Radio Owner’s Manual 40
Receiver Specifications
Unit Nominal Limit
Sensitivity for 12dB
SINAD
MRN μV 0.3 0.4 max.
FRS μV 0.35 0.5 max.
FM Broadcast μV 1.0 3.0 max.
Air μV 1.0 30 max.
AM Broadcast μV 1.0 2.0 max.
Squelch Sensitivity
Threshold μV 0.1 0.25 max.
Tight μV 0.7 2.0 max.
CTCSS/DSC Opening
SINAD
FRS dB 8 12 max.
Audio Freq. Response
1kHz Ref.
MRN @ 500 Hz dB 6 3 to 7
MRN @ 2000 Hz dB -6 -9 to -5
FRS @ 500 Hz dB 6 3 to 7
FRS @ 2000 Hz dB -6 -9 to -5
Adjacent Channel
Selectivity
MRN ±25 kHz dB 72 60 min.
FRS ±12.5 kHz dB 40 30 min.
IM Rejection MRN dB 63 55 min.
Image and Supurious
Rejection
MRN 75 50 min.
Conducted Spurious Emission at the
Antenna Terminal
dBm -65 -57 max.
Hum and Noise Ratio
MRN dB 50 35 min.
FRS dB 37 32 min.
AM Broadcast dB 42 32 min.
FM Broadcast dB 53 32 min.
Air dB 42 32 min.
THD @ Standard Output Power (MRN) % 1.2 10 max.
Audio Output Power @10% THD (MRN) W 0.45 0.3 min
Oscillator Dropout Voltage (MRN) V 2.9 3.8 max.
Current Drain @ No Signal (MRN) mA 72 85 max.
Current Drain @ Maximum Output (MRN) mA 220 250 max.